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Related Experiment Video

Updated: May 2, 2026

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test
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Evaluation of endothelial function by flow mediated dilation: methodological issues and clinical importance.

Lorenzo Ghiadoni1, Massimo Salvetti, Maria Lorenza Muiesan

  • 1Department of Clinical and Experimental Medicine, University of Pisa, via Roma 67, Pisa, Italy, lorenzo.ghiadoni@med.unipi.it.

High Blood Pressure & Cardiovascular Prevention : the Official Journal of the Italian Society of Hypertension
|March 13, 2014
PubMed
Summary

Flow-mediated dilation (FMD) assesses endothelial function non-invasively. Standardized FMD measurements may predict cardiovascular events and guide preventative strategies.

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Area of Science:

  • Vascular Biology
  • Cardiovascular Research
  • Non-invasive Diagnostics

Background:

  • The endothelium regulates vascular health via nitric oxide.
  • Endothelial dysfunction is an early marker of cardiovascular disease.
  • Flow-mediated dilation (FMD) is a key method for assessing endothelial function.

Purpose of the Study:

  • To review the evidence on Flow-mediated dilation (FMD).
  • To evaluate FMD's association with cardiovascular risk factors and outcomes.
  • To discuss FMD's potential role in cardiovascular prevention.

Main Methods:

  • Systematic review of existing literature on FMD.
  • Analysis of studies correlating FMD with cardiovascular risk and events.
  • Examination of FMD's utility in clinical research and intervention trials.

Main Results:

  • FMD is linked to cardiovascular risk factors and target organ damage.
  • FMD has shown potential predictive value for cardiovascular events.
  • Standardized FMD methodology is crucial for reproducible measurements.

Conclusions:

  • Despite advantages, FMD is not yet guideline-recommended for prevention due to standardization issues.
  • Accurate FMD measurement ensures reproducibility and potential for future clinical application.
  • Further research is needed to confirm FMD's prognostic value and guide interventions.